Registration of SASL mechanism DIGEST-MD5

[Paul Leach <paulle@microsoft.com>]

SASL mechanism name: DIGEST-MD5

Security considerations: are described in RFC 2069

Published specification (optional, recommended): RFC 2069

Person & email address to contact for further information:
paulle@microsoft.com

Intended usage: COMMON

Author/Change controller: paulle@microsoft.com

As of the date of registration, this registration is to reserve the SASL
mechanism name. The protocol is currently only defined for use in HTTP/1.1;
it's use as a SASL mechanism needs to be defined.